import thenfs from 'then-fs'

async function fn() {
    let r1 = await thenfs.readFile('./data/a.txt','utf8')
    console.log(r1);
    let r2 = await thenfs.readFile('./data/b.txt','utf8')
    console.log(r2);
    let r3 = await thenfs.readFile('./data/c.txt','utf8')
    console.log(r3);
}

fn()